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managed_external_buffer.hpp - Hosted on DriveHQ Cloud IT Platform
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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\interprocess\managed_external_buffer.hpp
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////////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2005-2008. Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // // See http://www.boost.org/libs/interprocess for documentation. // ////////////////////////////////////////////////////////////////////////////// #ifndef BOOST_INTERPROCESS_MANAGED_EXTERNAL_BUFFER_HPP #define BOOST_INTERPROCESS_MANAGED_EXTERNAL_BUFFER_HPP #if (defined _MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif #include
#include
#include
#include
#include
#include
//!\file //!Describes a named user memory allocation user class. namespace boost { namespace interprocess { //!A basic user memory named object creation class. Inherits all //!basic functionality from //!basic_managed_memory_impl
*/ template < class CharType, class AllocationAlgorithm, template
class IndexType > class basic_managed_external_buffer : public detail::basic_managed_memory_impl
{ /// @cond typedef detail::basic_managed_memory_impl
base_t; /// @endcond public: //!Creates and places the segment manager. This can throw basic_managed_external_buffer (create_only_t, void *addr, std::size_t size) { //Check if alignment is correct assert((0 == (((std::size_t)addr) & (AllocationAlgorithm::Alignment - std::size_t(1u))))); if(!base_t::create_impl(addr, size)){ throw interprocess_exception(); } } //!Creates and places the segment manager. This can throw basic_managed_external_buffer (open_only_t, void *addr, std::size_t size) { //Check if alignment is correct assert((0 == (((std::size_t)addr) & (AllocationAlgorithm::Alignment - std::size_t(1u))))); if(!base_t::open_impl(addr, size)){ throw interprocess_exception(); } } //!Moves the ownership of "moved"'s managed memory to *this. Does not throw #ifndef BOOST_INTERPROCESS_RVALUE_REFERENCE basic_managed_external_buffer (detail::moved_object
&moved) { this->swap(moved.get()); } #else basic_managed_external_buffer (basic_managed_external_buffer &&moved) { this->swap(moved); } #endif //!Moves the ownership of "moved"'s managed memory to *this. Does not throw #ifndef BOOST_INTERPROCESS_RVALUE_REFERENCE basic_managed_external_buffer &operator= (detail::moved_object
&moved) { this->swap(moved.get()); return *this; } #else basic_managed_external_buffer &operator= (basic_managed_external_buffer &&moved) { this->swap(moved); return *this; } #endif void grow(std::size_t extra_bytes) { base_t::grow(extra_bytes); } //!Swaps the ownership of the managed heap memories managed by *this and other. //!Never throws. void swap(basic_managed_external_buffer &other) { base_t::swap(other); } }; } //namespace interprocess { } //namespace boost { #include
#endif //BOOST_INTERPROCESS_MANAGED_EXTERNAL_BUFFER_HPP
managed_external_buffer.hpp
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